#define_property(DIRECTORY PROPERTY my_dir_prop BRIEF_DOCS "brief docs" FULL_DOCS "full docs")
define_property(DIRECTORY PROPERTY my_dir_prop INHERITED BRIEF_DOCS "brief docs" FULL_DOCS "full docs")
#set_property(DIRECTORY "${PROJECT_SOURCE_DIR}/sub" PROPERTY my_dir_prop "value in sub dir")
#set_property(DIRECTORY "${PROJECT_SOURCE_DIR}" PROPERTY my_dir_prop "value in source dir")
set_property(GLOBAL PROPERTY my_dir_prop "value in global")
